(19)

(11)

EP 0 621 989 A1

(12)

(43) Date of publication: 02.11.1994 Bulletin 1994/44 (21) Application number: 92905532.0 (22) Date of filing: 17.01.1992

(51) International Patent Classification (IPC):  G02B 6/ 44( . ) H02G 15/ 113( . ) (86) International application number: PCT/US1992/000454 (87) International publication number: WO 1993/014547 (22.07.1993 Gazette 1993/18)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI NL SE (71) Applicant: RAYCHEM CORPORATION Menlo Park California 94025 (US)	(72) Inventor: JERVIS, James, E. Atherton, CA 94025 (US) (74) Representative: Benson, John Everett, et al  Raychem Limited Intellectual Property Law Department Faraday Road Dorcan Swindon, Wiltshire SN3 5HH Swindon, Wiltshire SN3 5HH (GB)